Tensions are mounting after the South blamed the North for torpedoing one of its warships, killing 46 sailors, Reuters says.

South Korea has suspended all trade with Pyongyang, but given how minimal this was to start with, it is hardly a crushing blow.

Even less daunting was the second part of the sanctions against the world’s most isolated, nuclear-armed dictatorship – a battery of huge digital signboards which will display rude messages over the North Korean border, Times Online informs.